Storage tanks 50HL stainless steel AISI 304. 2B fiorettata. ACCESSORIES: No.1 Crawl top d.400mm antiritensione; Ranked # 1 ball valve DIN f. 50x50mm DIN f., For partial discharge; Ranked # 1 ball valve DIN f. 50x50mm DIN f., For the total discharge; Ranked # 1 tube full load of ball valve DIN f. 50x50mm DIN f .; Ranked # 1 Portella elliptical lower d.440x305mm; Gauge d.16mm.